The project — approved in 2015 following a lengthy review — has been touted as the biggest U.S. electricity infrastructure undertaking since the Hoover Dam was built in the 1930s.
A report released by the Government Accountability Office offers the first independent assessment of damage caused by the building of more than 450 miles of wall.
Many Yuma residents want to stop the county from approving the proposal, saying they’re worried about toxic chemicals potentially contaminating their air, land and water.
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